@Test
    public void test_toString() {
        final SearchResult result = SearchResult.create().allRecordCount(100).queryTime(50).build();

        final String str = result.toString();
        assertNotNull(str);
        assertTrue(str.contains("allRecordCount=100"));
        assertTrue(str.contains("queryTime=50"));
    }

    /**
     * Test SearchResult with all fields populated.
     */
    @Test

         * Indicates if the search results are partial.
         */
        protected boolean partial;
        /**
         * The time taken for the search query in milliseconds.
         */
        protected long queryTime;
        /**
         * The search query string.
         */
        protected String searchQuery;
        /**
         * The time when the search request was made.
         */

            buf.append(",\"query_id\":");
            buf.append(escapeJson(queryId));
            buf.append(",\"exec_time\":");
            buf.append(execTime);
            buf.append(",\"query_time\":");
            buf.append(queryTime);
            buf.append(',');
            buf.append("\"page_size\":");
            buf.append(pageSize);
            buf.append(',');
            buf.append("\"page_number\":");

        assertTrue(toStringResult.contains("searchQuery=test query"));
        assertTrue(toStringResult.contains("execTime=1000"));
        assertTrue(toStringResult.contains("queryTime=500"));
        assertTrue(toStringResult.contains("partialResults=false"));
    }

    @Test
    public void test_calculatePageInfo_extremeValues() {
        // Test with very large record count

        assertTrue(fullFieldName.startsWith("field:"));
        assertTrue(fullFieldName.contains(encodedFieldName));

        String queryName = "title:test";
        String encodedQueryName = BaseEncoding.base64().encode(queryName.getBytes(StandardCharsets.UTF_8));
        String fullQueryName = Constants.FACET_QUERY_PREFIX + encodedQueryName;

        assertTrue(fullQueryName.startsWith("query:"));